(function ($) {
    $.fn.paginate = function (options) {
        var opts = $.extend({}, $.fn.paginate.defaults, options);
        return this.each(function () {
            $this = $(this);
            var o = $.meta ? $.extend({}, opts, $this.data()) : opts;
            var selectedpage = o.start;
            $.fn.draw(o, $this, selectedpage);
        });
    };
    var outsidewidth_tmp = 0;
    var insidewidth = 0;
    var bName = navigator.appName;
    var bVer = navigator.appVersion;
    if (bVer.indexOf('MSIE 7.0') > 0)
        var ver = "ie7";
    $.fn.paginate.defaults = {
        count: 5,
        start: 12,
        display: 5,
        border: true,
        border_color: '#fff',
        text_color: '#8cc59d',
        background_color: 'black',
        border_hover_color: '#fff',
        text_hover_color: '#fff',
        background_hover_color: '#fff',
        rotate: true,
        images: true,
        mouse: 'slide',
        onChange: function () {
            return false;
        }
    };
    $.fn.draw = function (o, obj, selectedpage) {
        if (o.display > o.count)
            o.display = o.count;
        $this.empty();
        if (o.images) {
            var spreviousclass = 'jPag-sprevious-img';
            var previousclass = 'jPag-previous-img';
            var snextclass = 'jPag-snext-img';
            var nextclass = 'jPag-next-img';
        } else {
            var spreviousclass = 'jPag-sprevious';
            var previousclass = 'jPag-previous';
            var snextclass = 'jPag-snext';
            var nextclass = 'jPag-next';
        }
        var _first = $(document.createElement('a')).addClass('jPag-first').html('First');

        if (o.rotate) {
            if (o.images) var _rotleft = $(document.createElement('span')).addClass(spreviousclass);
            else var _rotleft = $(document.createElement('span')).addClass(spreviousclass).html('&laquo;');
        }

        var _divwrapleft = $(document.createElement('div')).addClass('jPag-control-back');
        _divwrapleft.append(_first).append(_rotleft);

        var _ulwrapdiv = $(document.createElement('div')).css('overflow', 'hidden');
        var _ul = $(document.createElement('ul')).addClass('jPag-pages')
        var c = (o.display - 1) / 2;
        var first = selectedpage - c;
        var selobj;
        for (var i = 0; i < o.count; i++) {
            var val = i + 1;
            if (val == selectedpage) {
                var _obj = $(document.createElement('li')).html('<span class="jPag-current">' + val + '</span>');
                selobj = _obj;
                _ul.append(_obj);
            } else {
                var _obj = $(document.createElement('li')).html('<a>' + val + '</a>');
                _ul.append(_obj);
            }
        }
        _ulwrapdiv.append(_ul);

        if (o.rotate) {
            if (o.images) var _rotright = $(document.createElement('span')).addClass(snextclass);
            else var _rotright = $(document.createElement('span')).addClass(snextclass).html('&raquo;');
        }

        var _last = $(document.createElement('a')).addClass('jPag-last').html('Last');
        var _divwrapright = $(document.createElement('div')).addClass('jPag-control-front');
        _divwrapright.append(_rotright).append(_last);

        //append all:
        $this.addClass('jPaginate').append(_divwrapleft).append(_ulwrapdiv).append(_divwrapright);

        if (!o.border) {
            if (o.background_color == 'none') var a_css = {'color': o.text_color};
            else var a_css = {'color': o.text_color, 'background-color': o.background_color};
            if (o.background_hover_color == 'none') var hover_css = {'color': o.text_hover_color};
            else var hover_css = {'color': o.text_hover_color, 'background-color': o.background_hover_color};
        } else {
            if (o.background_color == 'none') var a_css = {
                'color': o.text_color,
                'border': '1px solid ' + o.border_color
            };
            else var a_css = {
                'color': o.text_color,
                'background-color': o.background_color,
                'border': '1px solid ' + o.border_color
            };
            if (o.background_hover_color == 'none') var hover_css = {
                'color': o.text_hover_color,
                'border': '1px solid ' + o.border_hover_color
            };
            else var hover_css = {
                'color': o.text_hover_color,
                'background-color': o.background_hover_color,
                'border': '1px solid ' + o.border_hover_color
            };
        }

        $.fn.applystyle(o, $this, a_css, hover_css, _first, _ul, _ulwrapdiv, _divwrapright);
        //calculate width of the ones displayed:
        var outsidewidth = outsidewidth_tmp - _first.parent().width() - 3;
        if (ver == 'ie7') {
            _ulwrapdiv.css('width', outsidewidth + 72 + 'px');
            _divwrapright.css('left', outsidewidth_tmp + 6 + 72 + 'px');
        } else {
            _ulwrapdiv.css('width', outsidewidth + 'px');
            _divwrapright.css('left', outsidewidth_tmp + 6 + 'px');
        }

        if (o.rotate) {
            _rotright.hover(
                function () {
                    thumbs_scroll_interval = setInterval(
                        function () {
                            var left = _ulwrapdiv.scrollLeft() + 1;
                            _ulwrapdiv.scrollLeft(left);
                        },
                        20
                    );
                },
                function () {
                    clearInterval(thumbs_scroll_interval);
                }
            );
            _rotleft.hover(
                function () {
                    thumbs_scroll_interval = setInterval(
                        function () {
                            var left = _ulwrapdiv.scrollLeft() - 1;
                            _ulwrapdiv.scrollLeft(left);
                        },
                        20
                    );
                },
                function () {
                    clearInterval(thumbs_scroll_interval);
                }
            );
            if (o.mouse == 'press') {
                _rotright.mousedown(
                    function () {
                        thumbs_mouse_interval = setInterval(
                            function () {
                                var left = _ulwrapdiv.scrollLeft() + 5;
                                _ulwrapdiv.scrollLeft(left);
                            },
                            20
                        );
                    }
                ).mouseup(
                    function () {
                        clearInterval(thumbs_mouse_interval);
                    }
                );
                _rotleft.mousedown(
                    function () {
                        thumbs_mouse_interval = setInterval(
                            function () {
                                var left = _ulwrapdiv.scrollLeft() - 5;
                                _ulwrapdiv.scrollLeft(left);
                            },
                            20
                        );
                    }
                ).mouseup(
                    function () {
                        clearInterval(thumbs_mouse_interval);
                    }
                );
            } else {
                _rotleft.click(function (e) {
                    var width = outsidewidth - 10;
                    var left = _ulwrapdiv.scrollLeft() - width;
                    _ulwrapdiv.animate({scrollLeft: left + 'px'});
                });

                _rotright.click(function (e) {
                    var width = outsidewidth - 10;
                    var left = _ulwrapdiv.scrollLeft() + width;
                    _ulwrapdiv.animate({scrollLeft: left + 'px'});
                });
            }
        }

        //first and last:
        _first.click(function (e) {
            _ulwrapdiv.animate({scrollLeft: '0px'});
            _ulwrapdiv.find('li').eq(0).click();
        });
        _last.click(function (e) {
            _ulwrapdiv.animate({scrollLeft: insidewidth + 'px'});
            _ulwrapdiv.find('li').eq(o.count - 1).click();
        });

        //click a page
        _ulwrapdiv.find('li').click(function (e) {
            selobj.html('<a>' + selobj.find('.jPag-current').html() + '</a>');
            var currval = $(this).find('a').html();
            $(this).html('<span class="jPag-current">' + currval + '</span>');
            selobj = $(this);
            $.fn.applystyle(o, $(this).parent().parent().parent(), a_css, hover_css, _first, _ul, _ulwrapdiv, _divwrapright);
            var left = (this.offsetLeft) / 2;
            var left2 = _ulwrapdiv.scrollLeft() + left;
            var tmp = left - (outsidewidth / 2);
            if (ver == 'ie7')
                _ulwrapdiv.animate({scrollLeft: left + tmp - _first.parent().width() + 52 + 'px'});
            else
                _ulwrapdiv.animate({scrollLeft: left + tmp - _first.parent().width() + 'px'});
            o.onChange(currval);
        });

        var last = _ulwrapdiv.find('li').eq(o.start - 1);
        last.attr('id', 'tmp');
        var left = document.getElementById('tmp').offsetLeft / 2;
        last.removeAttr('id');
        var tmp = left - (outsidewidth / 2);
        if (ver == 'ie7') _ulwrapdiv.animate({scrollLeft: left + tmp - _first.parent().width() + 52 + 'px'});
        else _ulwrapdiv.animate({scrollLeft: left + tmp - _first.parent().width() + 'px'});
    }

    $.fn.applystyle = function (o, obj, a_css, hover_css, _first, _ul, _ulwrapdiv, _divwrapright) {
        obj.find('a').css(a_css);
        obj.find('span.jPag-current').css(hover_css);
        obj.find('a').hover(
            function () {
                $(this).css(hover_css);
            },
            function () {
                $(this).css(a_css);
            }
        );
        obj.css('padding-left', _first.parent().width() + 5 + 'px');
        insidewidth = 0;

        obj.find('li').each(function (i, n) {
            if (i == (o.display - 1)) {
                outsidewidth_tmp = this.offsetLeft + this.offsetWidth;
            }
            insidewidth += this.offsetWidth;
        })
        _ul.css('width', insidewidth + 'px');
    }
})(jQuery);